EP 0488145 A2 19920603 - Ultraviolet light absorbing ocular lens.
Title (en)
Ultraviolet light absorbing ocular lens.
Title (de)
Ultraviolettabsorbierende oculare Lense.
Title (fr)
Lentille occulaire absorbant les rayonnements ultraviolets.
Publication
Application
Priority
JP 32383590 A 19901126
Abstract (en)
An ultraviolet light absorbing ocular lens comprising a vinyl type copolymer containing from 0.01 to 0.5% by weight of a benzotriazole type ultraviolet light absorbing monomer as chemically bonded therewith, the ultraviolet light absorbing monomer having the formula: <CHEM> (wherein R1 is H or CH3 and n is 2 or 3). v
IPC 1-7
IPC 8 full level
A61F 9/00 (2006.01); A61L 27/50 (2006.01); C07D 249/20 (2006.01); C08F 220/36 (2006.01); G02B 1/04 (2006.01); G02C 7/02 (2006.01); G02C 7/04 (2006.01); G02C 7/10 (2006.01)
CPC (source: EP US)
A61F 2/16 (2013.01 - EP US); A61L 27/50 (2013.01 - EP US); C08K 5/34 (2013.01 - EP US); G02B 1/043 (2013.01 - EP US); G02C 7/108 (2013.01 - EP US); A61F 2002/16965 (2015.04 - EP US); A61L 2430/16 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0488145 A2 19920603; EP 0488145 A3 19930113; EP 0488145 B1 19990609; DE 69131314 D1 19990715; DE 69131314 T2 19991014; JP 2685980 B2 19971208; JP H04190318 A 19920708; US 5147902 A 19920915
DOCDB simple family (application)
EP 91120149 A 19911126; DE 69131314 T 19911126; JP 32383590 A 19901126; US 79820591 A 19911126